The correct option is A Dilute sulphuric acid
Car batteries acids consists of 30% to 50% sulfuric acid in water with a mole fraction of 29% sulfuric acid. the density of the acid is about 1.25 kilograms per liter, and the pH level is about 0.8. that's why Dilute sulfuric acid (H2SO4) is used in a car battery.